Fractionation

Fractionation-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).

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Process for preparing a high purity fischer-tropsch gasoil fraction
Shell Oil Company
May 18, 2017 - N°20170137723

The present invention provides a process for preparing a high purity fischer-tropsch gasoil fraction, comprising: a) providing a fischer-tropsch-derived gasoil feedstock comprising one or more contaminants; b) providing the fischer-tropsch-derived gasoil feedstock to a fractionation zone and fractionating the fischer-tropsch-derived gasoil feedstock into two or more fischer-tropsch gasoil fractions having a different boiling point range, wherein at least one fischer-tropsch ...
Staged complementary psa system for low energy fractionation of mixed fluid
Exxonmobil Research And Engineering Company
May 18, 2017 - N°20170136402

A staged complementary pressure swing adsorption system and method for low energy fractionation of a mixed fluid. Two beds in a four-column psa system are selective for component a, and another two columns are selective for component b. The cycle creates an intermittent a and b product, using the purge effluent from the complementary product fed at an intermediate pressure. ...
Process for the production of petroleum tar pitch for use as a binder in the ...
Intevep, S.a.
May 04, 2017 - N°20170121834

A process for the production of petroleum tar pitch with the using a fresh hydrocarbon feedstock, preheating it, treating the heated feedstock and passing fractionating the treated feedstock into gases, light distillates and a bottom fractionation stream, then dividing the bottom fraction stream into a recycle stream and a cracked fraction stream and using the cracked fraction stream in a ...
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Automated sample fractionation prior to mass spectrometric analysis
Purehoney Technologies, Inc.
April 20, 2017 - N°20170108477

Systems, apparatus, methods, and kits are provided for automated mass spectrometric analysis of small volumes of liquid samples, such as biological samples. The systems, apparatus, and kits may be used in facilities where high throughput of samples, as well as reliable and repeatable assay results with little training of staff, are needed. Such facilities include hospital emergency wards.
A continuous process for production of cellulose pulp from grass-like plant feedstock
Purehoney Technologies, Inc.
April 20, 2017 - N°20170107665

A continuous process for production of cellulose pulp from grass-like plant feedstock for paper making. The process includes: preparing the grass-like plant feedstock by comminuting, dedusting, continuous digestion, disperging, diluting the cellulose pulp, screening and fractionation, concentration to remove black liquor, dilution with fresh water, and, optionally, pulp bleaching processes. The continuous digestion is performed in the vertical column at 70...
Ethylene-a-olefin copolymer and olefin resin composition
Purehoney Technologies, Inc.
April 13, 2017 - N°20170101491

[solution] provided is an ethylene-α-olefin copolymer having a specific mfr, a specific density, and a specific molecular weight distribution, containing a suitable amount of a long-chain branching structure characterized by a branching index, and having a specific composition distribution structure characterized by solvent fractionation behavior.
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High octane gasoline and process for making same
Exxonmobil Research And Engineering Company
April 13, 2017 - N°20170101357

A process for converting light paraffins to a high octane gasoline composition is disclosed. The process involves: (1) oxidation of iso-paraffins to alkyl hydroperoxides and alcohol; (2) conversion of the alkyl hydroperoxides and alcohol to dialkyl peroxides; and (3) radical coupling of iso-paraffins using the dialkyl peroxides as radical initiators, thereby forming gasoline-range molecules. Fractionation of the gasoline-range molecules can then be used ...
Process to produce paraffinic hydrocarbon fluids from light paraffins
Exxonmobil Research And Engineering Company
April 13, 2017 - N°20170101355

A process for converting light paraffins to heavier paraffinic hydrocarbon fluids is disclosed. The process involves: (1) oxidation of iso-paraffins to alkyl hydroperoxides and alcohols; (2) conversion of the alkyl hydroperoxides and alcohols to dialkyl peroxides; and (3) radical-initiated coupling of paraffins and/or iso-paraffins using the dialkyl peroxides as radical initiators, thereby forming heavier hydrocarbon products. Fractionation of the heavy hydrocarbon products ...
Process for conversion of methane to higher hydrocarbons, including liquid fuels
Gas Technology Institute
April 13, 2017 - N°20170101352

Aspects of the invention are associated with the discovery of processes for converting methane (ch4), present in a methane-containing feedstock that may be obtained from a variety of sources such as natural gas, to higher hydrocarbons (e. G., c4+ hydrocarbons) such as gasoline, diesel fuel, or jet fuel boiling-range hydrocarbons, which may optionally be separated (e. G., by fractionation) for ...
Process for preparing purified fischer-tropsch gasoil fraction
Shell Oil Company
March 30, 2017 - N°20170088782

The present invention provides a process for preparing a high purity fischer-tropsch gasoil fraction, comprising : a) providing a fischer-tropsch-derived gasoil feedstock comprising one or more contaminants; b) providing the fischer-tropsch-derived gasoil feedstock to a fractionation zone and fractionating the fischer-tropsch-derived gasoil feedstock into two or more fischer-tropsch gasoil fractions having a different boiling point range, wherein at least one fischer-tropsch ...
Process for preparing a high purity fischer-tropsch gasoil fraction
Shell Oil Company
March 23, 2017 - N°20170081598

The present invention provides a process for preparing a high purity fischer-tropsch gasoil fraction, comprising: a)fractionating a fischer-tropsch-derived gasoil feedstock into two or more fischer-tropsch gasoil fractions having a different boiling point range, wherein at least one fischer-tropsch gasoil fraction is a contaminant-enriched fischer-tropsch gasoil fraction, which is enriched in one or more contaminants with respect to the feedstock; ...
Water soluble psidium guajava leaf extract having standardized phytochemicals
Phytotech Extracts Pvt Ltd
March 23, 2017 - N°20170080039

The present invention provides a method of obtaining psidium guajava leaf extract standardized to phytochemicals. The extract obtained is highly soluble in water, and contains standardized phytochemicals such as, guijavarin specifically saponins and polyphenols, which may be used in food and beverage products. The method involves the specific method of filtration to obtain highly purified form of phytochemical. The extract ...
Propylene resin composition and stretched container formed of the same
Prime Polymer Co., Ltd.
March 09, 2017 - N°20170066904

There is shown a propylene resin composition including 100 parts by weight of (a) a propylene resin and 0. 05 to 0. 5 part by weight of (b) a nucleating agent containing an organophosphoric ester compound represented by the formula (b1) and at least one kind selected from aliphatic carboxylic acids and derivatives thereof and containing an alkali metal element as an essential component, wherein ...
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Method for fractionation of a protein and lipid containing material
Prime Polymer Co., Ltd.
March 02, 2017 - N°20170058233

The present invention relates to a method for fractionating a starting material containing a protein and lipids or phospholipid. The method comprises providing the starting material containing the protein and the lipids or phospholipid, extruding the starting material into first solvent having a temperature of 20-200° c. To form a solid phase of a texturized matrix enriched with the ...
Fractionation method
Agency For Science, Technology And Research
March 02, 2017 - N°20170057992

Provided herein is a novel method of purifying an igg antibody from a preparation by use of an electropositive membrane having a defined porosity.
Distillation column system and plant for production of oxygen by cryogenic fractionation of air
Agency For Science, Technology And Research
February 23, 2017 - N°20170051971

A distillation column system and a plant are for production of oxygen by cryogenic fractionation of air. The distillation column system has a high-pressure column and a low-pressure column, a main condenser, and an argon column with an argon column top condenser. The low-pressure column comprises an upper mass transfer region, a lower mass transfer region and a middle mass ...
Energy efficient fractionation process for separating the reactor effluent from tol/a9+ transalkylation processes
Bp Corporation North America Inc.
February 23, 2017 - N°20170050901

Processes and apparatus are disclosed for the energy efficient separation of the effluent from a tol/a9+ transalkylation reactor. The apparatus includes a reboiled prefractionation column and a sidedraw tower that produces: 1) an overhead stream including unreacted toluene, 2) a stream including unreacted c9+ aromatics, a portion of which stream may be recycled to the reactor; and 3) a sidedraw stream including ...
Process and apparatus for the low-temperature fractionation of air
Linde Aktiengesellschaft
February 09, 2017 - N°20170038140

The process and the apparatus serve for the low-temperature fractionation of air in a distillation column system, which has at least one separating column. Feed air is compressed in a main air compressor. Compressed feed air is cooled in a main heat exchanger. Cooled feed air is introduced into the distillation column system. At least one product stream is drawn ...
Rubber particle fractionation method, transport method, and storage method
Tohoku University
February 09, 2017 - N°20170037156

The present invention provides an effective method for fractionating rubber particles in natural rubber latex by particle size, and effective methods for transporting or preserving rubber particles. The present invention relates to a method for fractionating rubber particles in natural rubber latex by particle size, the method including centrifuging natural rubber latex in at least four stages at forces of 800 ...
Air fractionation plant, operating method and control facility
Tohoku University
February 02, 2017 - N°20170030635

An air fractionation plant in which a cooling water circuit having a recooling apparatus is provided for cooling compressed air, where the recooling apparatus is configured for cooling cooling water using cooling air. The recooling apparatus is configured so as to cool the cooling water, at least at a wet bulb temperature of the cooling air of more than 289 k, ...
Configurations and methods for nitrogen rejection, lng and ngl production from high nitrogen feed gases
Fluor Technologies Corporation
January 26, 2017 - N°20170023293

Variable n2 content in feed gas ranging from 3 mol % to 50 mol % can be rejected from the process using a feed exchanger that is fluidly coupled with a cold separator and a single fractionation column to produce a nitrogen vent stream and streams that are suitable to be further processed for ngl recovery and lng production.